USB3450 datasheet(1/40 Pages) SMSC

Part #	USB3450

Description	HI-SPEED USB HOST OR DEVICE PHY WITH UTMIINTERFACE

PDF	40 Pages

Scroll/Zoom	100%

Manufacturer	SMSC [SMSC Corporation]

Direct Link	http://www.smsc.com

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SMSC USB3450

DATASHEET

Revision 0.1 (05-11-05)

Datasheet

PRODUCT FEATURES

USB3450

Hi-Speed USB Host or

Device PHY With UTMI+

Interface

■ USB-IF “Hi-Speed” certified to the Universal Serial

Bus Specification Rev 2.0

■ Interface compliant with the UTMI+ Specification,

Revision 1.0.

■ Functional as a host or device PHY.

■ Supports HS, FS, and LS data rates.

■ Supports FS pre-amble for FS hubs with a LS device

attached (UTMI+ Level 3)

■ Supports HS SOF and LS keep alive pulse.

■ Low Latency Hi-Speed Receiver (43 Hi-Speed clocks

Max)

■ Internal 1.8 volt regulators allow operation from a

single 3.3 volt supply

■ Internal short circuit protection of DP and DM lines to

VBUS or ground.

■ Integrated 24MHz Crystal Oscillator supports either

crystal operation or 24MHz external clock input.

■ Internal PLL for 480MHz Hi-Speed USB operation.

■ Supports Hi-Speed USB and legacy USB 1.1 devices

■ 55mA Unconfigured Current (typical) - ideal for bus

powered applications.

■ 83uA suspend current (typical) - ideal for battery

powered applications.

■ Full Commercial operating temperature range from

0

°C to +70°C

■ 40 pin QFN package; green, lead-free (6 x 6 x 0.9mm

height)

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